In short, “Cut-ups” are the original “Mashup.” The Cut-up technique was first used in the late 1950's as a literary technique which William Burroughs, Brion Gysin, and several other Beat Generation poets living in the Beat Hotel used to create new poetry out of previous works. When Burroughs and Gysin met filmmaker Antony Balch, they progressed onto cutting up film reels.
William S. Burroughs was an American novelist, essayist, social critic, painter and spoken word performer. He wrote seveal books with the cut-up method.
Brion Gysin was a painter, writer, sound poet, and performance artist born in Taplow, Buckinghamshire. He invented the cut-up technique.